[PowerPC] Support TLS variables in debug info
This adds an implementation of getDebugThreadLocalSymbol for
(64-bit) PowerPC. This needs to return a generic MCExpr
since on ppc64, we need to add a bias of 0x8000 to the
value returned by the R_PPC64_DTPREL64 relocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185461 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCTargetObjectFile.cpp b/lib/Target/PowerPC/PPCTargetObjectFile.cpp
index 90e4f15..ec1e606 100644
--- a/lib/Target/PowerPC/PPCTargetObjectFile.cpp
+++ b/lib/Target/PowerPC/PPCTargetObjectFile.cpp
@@ -55,3 +55,13 @@
return DefaultSection;
}
+
+const MCExpr *PPC64LinuxTargetObjectFile::
+getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
+ const MCExpr *Expr =
+ MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_PPC_DTPREL, getContext());
+ return MCBinaryExpr::CreateAdd(Expr,
+ MCConstantExpr::Create(0x8000, getContext()),
+ getContext());
+}
+